linux-kernel - linux-next: manual merge of the akpm-current tree with the tip tree

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Message-ID: <20201127183924.36696fb0@canb.auug.org.au>
Date:   Fri, 27 Nov 2020 18:39:24 +1100
From:   Stephen Rothwell <sfr@...b.auug.org.au>
To:     Andrew Morton <akpm@...ux-foundation.org>,
        Thomas Gleixner <tglx@...utronix.de>,
        Ingo Molnar <mingo@...e.hu>, "H. Peter Anvin" <hpa@...or.com>,
        Peter Zijlstra <peterz@...radead.org>
Cc:     Andy Shevchenko <andriy.shevchenko@...ux.intel.com>,
        Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
        Linux Next Mailing List <linux-next@...r.kernel.org>
Subject: linux-next: manual merge of the akpm-current tree with the tip tree

Hi all,

Today's linux-next merge of the akpm-current tree got a conflict in:

  include/linux/kernel.h

between commit:

  74d862b682f5 ("sched: Make migrate_disable/enable() independent of RT")

from the tip tree and commit:

  761ace49e56f ("kernel.h: Split out mathematical helpers")

from the akpm-current tree.

I fixed it up (see below) and can carry the fix as necessary. This
is now fixed as far as linux-next is concerned, but any non trivial
conflicts should be mentioned to your upstream maintainer when your tree
is submitted for merging.  You may also want to consider cooperating
with the maintainer of the conflicting tree to minimise any particularly
complex conflicts.

-- 
Cheers,
Stephen Rothwell

diff --cc include/linux/kernel.h
index dbf6018fc312,f97ab3283a8b..000000000000
--- a/include/linux/kernel.h
+++ b/include/linux/kernel.h
@@@ -272,48 -145,13 +159,6 @@@ extern void __cant_migrate(const char *
  
  #define might_sleep_if(cond) do { if (cond) might_sleep(); } while (0)
  
- /**
-  * abs - return absolute value of an argument
-  * @x: the value.  If it is unsigned type, it is converted to signed type first.
-  *     char is treated as if it was signed (regardless of whether it really is)
-  *     but the macro's return type is preserved as char.
-  *
-  * Return: an absolute value of x.
-  */
- #define abs(x)	__abs_choose_expr(x, long long,				\
- 		__abs_choose_expr(x, long,				\
- 		__abs_choose_expr(x, int,				\
- 		__abs_choose_expr(x, short,				\
- 		__abs_choose_expr(x, char,				\
- 		__builtin_choose_expr(					\
- 			__builtin_types_compatible_p(typeof(x), char),	\
- 			(char)({ signed char __x = (x); __x<0?-__x:__x; }), \
- 			((void)0)))))))
- 
- #define __abs_choose_expr(x, type, other) __builtin_choose_expr(	\
- 	__builtin_types_compatible_p(typeof(x),   signed type) ||	\
- 	__builtin_types_compatible_p(typeof(x), unsigned type),		\
- 	({ signed type __x = (x); __x < 0 ? -__x : __x; }), other)
- 
- /**
-  * reciprocal_scale - "scale" a value into range [0, ep_ro)
-  * @val: value
-  * @ep_ro: right open interval endpoint
-  *
-  * Perform a "reciprocal multiplication" in order to "scale" a value into
-  * range [0, @ep_ro), where the upper interval endpoint is right-open.
-  * This is useful, e.g. for accessing a index of an array containing
-  * @ep_ro elements, for example. Think of it as sort of modulus, only that
-  * the result isn't that of modulo. ;) Note that if initial input is a
-  * small value, then result will return 0.
-  *
-  * Return: a result based on @val in interval [0, @ep_ro).
-  */
- static inline u32 reciprocal_scale(u32 val, u32 ep_ro)
- {
- 	return (u32)(((u64) val * ep_ro) >> 32);
- }
 -#ifndef CONFIG_PREEMPT_RT
 -# define cant_migrate()		cant_sleep()
 -#else
 -  /* Placeholder for now */
 -# define cant_migrate()		do { } while (0)
 -#endif
--
  #if defined(CONFIG_MMU) && \
  	(defined(CONFIG_PROVE_LOCKING) || defined(CONFIG_DEBUG_ATOMIC_SLEEP))
  #define might_fault() __might_fault(__FILE__, __LINE__)

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